Hondo had his own theory about cookin', and he shares this with you in his own recipe! Front of postcard says:
Ingredients:1 can sardines1 package saltine crackers Instructions: Open sardines with key. Place can and crackers on top of saddlehorn. First eat a sardine and then a cracker. Follow this procedure until you're outa sardines, outa crackers, or until you have a belly full. Serves one.